bd40bc7c7a Retrieved 20 April 2013. intelligence agencies. Installation[edit]. Wij gebruiken cookies om u een betere online ervaring aan te bieden, evenals content en diensten die zijn aangepast op uw interesses. Eventually, more taps were installed on Soviet lines in other parts of the world, with more advanced instruments built by AT&T's Bell Laboratories that were nuclear-powered and could store a year's worth of data.[2]:189 Other submarines were used for this role, including USSParche(SSN-683), USSRichard B. Retrieved 20 April 2013. "Spy Book Fact of the Day: Ivy Bells" from the Spy Book: The Encyclopedia of Espionage promotional site at Random House "Operation Ivy Bells Sea of Okhotsk, Russia, 1970s-1981" at Special Operations.com Red November, Inside the Secret U.S.